Παραπομπή APA

A.C Chawala. (1978). Jounal of industry and trade. Trade fair authority of India.

Παραπομπή Chicago Style

A.C Chawala. Jounal of Industry and Trade. New delhi: Trade fair authority of India, 1978.

Παραπομπή MLA

A.C Chawala. Jounal of Industry and Trade. Trade fair authority of India, 1978.